- Marattiaceae, family Marattiaceae - constituting the order Marattiales: chiefly tropical eusporangiate ferns with gigantic fronds
--1 is a kind of fern family
--1 is a member of Marattiales, order Marattiales
--1 has members:Marattia, genus Marattia; genus Angiopteris; Danaea, genus Danaea